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Subject: Re: The King and Wb2Uci

Author: Ralph Patriquin

Date: 06:15:25 03/20/02

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On March 20, 2002 at 03:49:52, Odd Gunnar Malin wrote:

>On March 19, 2002 at 12:44:42, Ralph Patriquin wrote:
>
>>Is it better to run The King in the CB GUI with the WB adapter and InBetween
>>or with the UCI adapter and Wb2Uci? Also could someone post instructions on how
>>to run The King using Wb2Uci?
>>
>>Thanks,
>>
>>Ralph
>
>Hi.
>
>I have never compared these methods but will try to answer from a theoretical
>view.
>
>The answer for this depends if you use ponder or not.
>1. Without ponder.
>If the engine clear the hashtable like between moves The King I doubt you will
>see any differences at all because I go through all moves in the adapter for
>each played move to check that its not a new game. The King does maybe this a
>little faster but I catch up because i don't have to save/test anything other
>than compare the moves with the moves I allready have sent.
>If the engine don't clear the hash-table between moves it most often clear the
>hashtable on new game if its not made specially for running under the
>CB-adapter. Here it would loose all this previous collected information an would
>have to search more nodes to get to the same depth. If the engine is slow to go
>through the movelist the gain from the adapter would grow but for other than
>blitz games this should be pretty equal to zero strength differences.
>
>So: For some engines no differences, for others a little pro for the adapter.


I assume here you mean a little pro for Wb2Uci?


>
>2. With ponder
>The differences between using CB's or my adapter is that with CB's adapter the
>gui decides which move the engine should ponder on, but when you you my adapter
>I handle this to the engine with only telling him that he should run this game
>with ponder on.
>How bad/good CB's method to do it is depended how good the guesses for the
>ponder move is. In bliz games this would in any case be a time loss.
>There is also a pro for doing it like CB do if the engine don't have implemented
>pondering. Here it would get it free and could plus some ratingpoint to it's
>strength.


How does the CB GUI make the ponder move guess? Does it run another engine (like
Fritz) to do it?


>
>The King will play a little better with the new adapter but you should not
>expect too much because pondering in itself isn't so many rating points and it
>would get most of this gain with CB's method too.
>
>My adapter isn't a try to make engines play better but a try to let them play
>under the condision they was made for.
>And also when I started this I was in the belive that the old adapter wasn't
>possible to use in Fritz 7, but as I understand it is still fully functional. If
>I Had known this to start with I would never a made the adapter in the first
>place.
>Now when it's almost ready to be released there is some other gain in it that
>could be a plus, at least for non-computer experts.
>1. All timecontrols would work with most engines.
>2. Possible to make personalities from the gui without knowing anything about
>the ini files.
>3. Easy to install.


How long approximately until your official release of Wb2Uci?
>
>The adapter do only send result information when the engine itself send it so
>they who count on result learning would get very limited response back.
>Also draw offer/accept etc. is handle by the gui so I doubt it is right to use
>it in any official-computer tournaments without including the gui's authors to
>the team.
>
>Odd Gunnar


Thanks for all your help Odd Gunnar, and thanks again for some great little
programs!

Ralph



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